101201122209 has 16 divisors (see below), whose sum is σ = 148659079104. Its totient is φ = 60726744000.

The previous prime is 101201122189. The next prime is 101201122273. The reversal of 101201122209 is 902221102101.

It is not a de Polignac number, because 101201122209 - 2⁸ = 101201121953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101201122109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15178354 + ... + 15185019.

It is an arithmetic number, because the mean of its divisors is an integer number (9291192444).

Almost surely, 2^101201122209 is an apocalyptic number.

It is an amenable number.

101201122209 is a deficient number, since it is larger than the sum of its proper divisors (47457956895).

101201122209 is a wasteful number, since it uses less digits than its factorization.

101201122209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30363488.

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 101201122209 in words is "one hundred one billion, two hundred one million, one hundred twenty-two thousand, two hundred nine".